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Donor–acceptor substituted tetraethynylethenes
Author(s) -
Tykivinski Rik R.,
Schreiber Martin,
Seiler Paul,
Diederich François,
Gramlich Volker
Publication year - 1996
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19960080308
Subject(s) - intramolecular force , conjugated system , acceptor , materials science , palladium , planar , atom (system on chip) , photochemistry , catalysis , stereochemistry , organic chemistry , polymer , chemistry , physics , computer graphics (images) , computer science , composite material , embedded system , condensed matter physics
A comprehensive series of donor/acceptor substituted tetraethynylethenes has been prepared by palladium‐catalyzed acetylenic coupling. The conjugated C‐atom scaffolds of these remarkably stable compounds are planar, including the substituted phenyl rings. Trends in electronic, optical, and structural properties as a function of degree and pattern of substitution are reported and the effectiveness of intramolecular donor–acceptor interactions via linear conjugation paths and cross‐conjugation paths compared.